Global Patent Index - EP 0753608 B1

EP 0753608 B1 20010509 - Spun yarn of polybenzazole fiber

Title (en)

Spun yarn of polybenzazole fiber

Title (de)

Gesponnenes Garn aus Polybenzazolfasern

Title (fr)

Filé de fibres de polybenzazole

Publication

EP 0753608 B1 20010509 (EN)

Application

EP 96110738 A 19960703

Priority

JP 16860595 A 19950704

Abstract (en)

[origin: EP0753608A2] There is provided a spun yarn of a polybenzazole fiber having a single fiber fineness of 1 to 3 deniers and an average fiber length of 30 to 200 mm, the spun yarn having a tenacity of 15 g/d or higher and satisfying the following relationship: <MATH> where K is the twist constant expressed by T/(Ne)<1/2> and L is the average fiber length in millimeter, and where T is the number of twist per inch and Ne is the British cotton count of the spun yarn. The spun yarn can be used for various purposes because it has high tenacity, high heat resistance, high flame retardance, good feeling, and good appearance.

IPC 1-7

D02G 3/02; D01F 6/74

IPC 8 full level

D01F 6/66 (2006.01); D01F 6/74 (2006.01); D02G 3/02 (2006.01)

CPC (source: EP US)

D01F 6/74 (2013.01 - EP US); Y10T 428/29 (2015.01 - EP US); Y10T 428/2904 (2015.01 - EP US); Y10T 428/2913 (2015.01 - EP US); Y10T 428/2967 (2015.01 - EP US)

Designated contracting state (EPC)

DE FR

DOCDB simple family (publication)

EP 0753608 A2 19970115; EP 0753608 A3 19970820; EP 0753608 B1 20010509; DE 69612703 D1 20010613; DE 69612703 T2 20020131; JP 3468323 B2 20031117; JP H0921025 A 19970121; US 5624752 A 19970429

DOCDB simple family (application)

EP 96110738 A 19960703; DE 69612703 T 19960703; JP 16860595 A 19950704; US 67400996 A 19960701